注意int不是4字节而仅仅是2字节!!! int: -32,768 ~ 32,767 (2字节) long: 4字节 http://www.arduino.cc/en/Reference/Int 相关文章: 2022-12-23 2022-12-23 2021-11-27 2022-12-23 2021-09-21 2022-12-23 2022-12-23